31418960 has 20 divisors (see below), whose sum is σ = 73049268. Its totient is φ = 12567552.

The previous prime is 31418953. The next prime is 31418963. The reversal of 31418960 is 6981413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8340544 + 23078416 = 2888^2 + 4804^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31418963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196289 + ... + 196448.

Almost surely, 2^31418960 is an apocalyptic number.

It is an amenable number.

31418960 is an abundant number, since it is smaller than the sum of its proper divisors (41630308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31418960 is a wasteful number, since it uses less digits than its factorization.

31418960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392750 (or 392744 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 31418960 is about 5605.2618136890. The cubic root of 31418960 is about 315.5469124863.

The spelling of 31418960 in words is "thirty-one million, four hundred eighteen thousand, nine hundred sixty".